Updating alex dependency for ghc 7.10 to get the Applicative instances
Updating alex dependency for ghc 7.10 to get the Applicative instances

Signed-off-by: Erik de Castro Lopo <1586a8e151fb6d548e7a343b9bcdfea42e83ffc0@mega-nerd.com>

alanz/language-javascript,alanz/language-javascript